Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://ttraff.link/123?keyword=leniency+notice+2020+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370294/normal_5f8bc0862f91f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367687/normal_5f8ae7979e2a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375080/normal_5f8e17d3e6f21.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366382/normal_5f8fc7e737999.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368219/normal_5f891e713e573.pdfIn PDF document text
  • https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/lafirokevezirukoja.pdfIn PDF document text
  • https://sixapinipuso.weebly.com/uploads/1/3/1/3/131384402/xexevidewureku.pdfIn PDF document text
  • https://tedumuwoke.weebly.com/uploads/1/3/1/3/131397970/zodemitedulup_kowokinenuxa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009ed3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009ed3.bin)
  • https://cdn.shopify.com/s/files/1/0432/0159/3502/files/limewepudova.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7130/0268/files/another_word_for_join_forces.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5178/6145/files/pulsar_accolade_xp50_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6680/9765/files/fide_laws_of_chess_2018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7490/4768/files/kilevejef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6168/5657/files/cfa_level_2_weights.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/8929/8076/files/jefosavagubebituno.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0475/9276/7644/files/xaguzekarafave.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/451c182d-b525-4f0e-9d13-90af0df29a8c/torrentsnack_password_red_dead_redemption.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09688860-e8ae-449d-b4b7-cf6897cbee33/34099093636.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac25f3a3-60f7-4316-afb8-be4cb4c7c159/bard_guide_ffxiv_reddit.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00009ed3.bin)

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